Valve.



W. F" HAGEN.

VALVE.

APPLICATION HLED FEB. 2, 19H'. 1,280,451. Patented Oct. 1, i918.

2 SHEETS-SHEET lms Nonms pzrzks co.. Puomumc., wAsumcfoNL n. c.

W. F. HAGEN.

VALVE.

APPLICATION FILED FEB. 2l 1917. 1,280,451'. Patented 001.1, 1918.

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/0` 4 /p l, LL/ J9 o 0 I 42 J6' l w Q H y i 47 i562" /5 /ZY Z /Z/ /J .a j j QJ II I INVENTOR WITNESSES WHQQQ@ A-rToRNEY UNITED STATES WILLIAM F. HAGEN, OF SCRANTON, PENNSYLVANIA.

VALVE.

Application led February 2, 1917.

To all whom t may concern:

Be it known that I, WILLIAM F. HAGEN, a citizen of the United States, residing at Scranton, in the county of Lackawanna and State of Pennsylvania, have invented new and useful Improvements in Valves, ofy

which the following is a specification.

This invention relates to a valve of the gate type, with the primary object of the invention being to provide a valve of this character which will comprise few parts, with the parts so constructed and connected as to render the valve thoroughly efficient in use and inexpensive of manufacture.

Another object of the invention is to provide a valve of this characterin which the casing is so constructed that a gate for closing a port therein isat all times retained in position within the casing irrespective of the position thereof to be moved by means provided for this purpose into position to close the port.

Another object of the invention is to provide' the valve with a stem and gate holder slidably connected and so constructed as to permit the gate to be slid within the casing` to a position to close said opening by the valve stem and withdrawn from such position by the holder when the stein is operated for this purpose, the gate holder yalso serving through its contact with an abutment within the casing to firmly wedge the gate against a seat formed by the wall of said ort.

With these and other objects in view, the invention resides in the'novel combination and arrangement of parts, which will be hereinafter described and particularly pointed out in the claims. f j

The preferred embodiment of the invention has been illustrated in the accompanying drawings, although no restriction is necessarily made to the precise details of construction therein shown, as changes, alterations, and modifications, within the scope of theclaims may be resorted to when desired.

In the drawings: v

Figure l is a vertical longitudinal sectional 'view' through agate valve constructed in accordance with the invention, the gate being shown in lowered position.

Fig. 2 yis a section similar to Fig. 1 and showing the gate in raised position. s

Fig. 3 is a horizontal transverse section on the line 3-3 of Fig. 1.

Specification of Letters Patent.

Patented Oct. 1, 1918.

Serial No. 146,209. v

Fig. 4; is a similar section on the line 1r-4 of Fig. 2. Y

Fig. 5 is a detailed perspective view of the gate holder, and showing the same removed from the valve casing.

Fig. 6 is a sectional view through the lower portion of a slightly modified form of valve, the gate being shown in lowered position.

Fig. 7 is a sectional view similar to Fig. 6, showing the gate in raised position.

Like -characters of reference denote corresponding parts throughout the several views in t e drawings.

Referring now to the drawings in detail, the letter A designates the improved gate valve in which the casing 5 includes a body 6 having a rounded bottom 7 and an open top 8, said body adjacent the top being` flanged and threaded, as at 9.

The end walls 10 and 11 of the body 6 have formed therein adjacent the rounded bottom 7 alined ports 12 and 13, establishing communication between the interior of the body and extensions 14 formed upon the walls 10 and 11, said extensions being flanged and threaded to permit the connection of pipes with `the casing 5. The Wall of the port 12 is ground to form a gate seat 15 while the end wall 11 is inclined from the medial portion thereof to the rounded bottom 7 and toward the port 12, said inclined portion of the end wall 11 providing an abutment 16 within the bod 6.

Each side wall 18 of the body 6 has formed thereon a rib 19 spaced from the end Walls 10 and' 11 and extending longitudinally of the side wall from the abutment 16 to the intersection of the side wall with the flange 9.

A cap 20 having a threaded flange 21 for engagement with the flange 9 on the body 6 closes the open end thereof and is provided with a threaded neck 22 in which is mounted to turn a threaded valve stem 23 which may be adjusted longitudinally of the neck through the rotation of the stem by means of a hand wheel 24 connected with an end thereof.

The other end of the stem 23 which extends within the body 6 is enlarged to provide the stem with a head 25, said head having formedA therein between lits ends a circumferentially extending groove 26 provid-- ing the head with space fianges 27 and 28, the flange 28 being greater in diameterk than Yas the flange 27 for a purpose which-will pres# ently appear.

Arranged within the body 6 beneath the stem 23 for contact with the abutment l5 is a gate holder 29, said holder being in the formof 1a wedge and provided at'opposite sides of one of its straight faces 30 with laterally extending flanges S11-arranged between the end wall 10 andthe Ouide ribs 19, said straight face '30 having orni'edtherein an elongated` and longitudinally extending` slot 32. The base ofv the` gate 4holder 29 has formed therein a'slotBS which extends from thev straight face 30 to the inclined 'face ofthe holder and is T-'shaped in cross section toprovide the holder with flanges kd V'arranged upon opposite sides y03E the stem 2S and extending within the groove 26 in vthe head 25, to'slidably connect Ythe holderuvith the head V25.

A gate 36'whic'h is circular in vshape is arranged betweenthe gate holder 29 and the end wall of the body 6 and is 'provided with a flat faceV 37 for vcontact with the flat face 8O 'ofthe gate 'holder and the convex facjeBS tol engage theugate 4seat 15 'when the gate is in lowered position, lsaid ygate having formedv thereon centrally of its 'flat face 3 7 a laterally extending ystem 89 passing through the vslot 132 'in the gate holder and whichwhen the gate in lowered vr'i'osition as 'shownin Fig21 in the drawings is spaced from the 'ends 'of the l'slot to permit vthe vgate to be more rmly wedged against the seat by the :holder when 'the valve stemis operated Afor this purpose.

When the valve stem is operated in vthe reverse direction an end wall 'of the slot 32 will be kbrought into engagement with the gate stem 39to hold the convex face of the gate in engagement with the'sea't 15, Whereby 'as the holder is 'moved toward the 'cap through the operation of the stem, the gate seat "will slide the holder transversely of the head V until 'the flan e 28 thereon extends beyondthe fiat face 2 'of the lgate and the flangesl 'on the holder abut against the guide ribs 19, 'so that las the gatefholder is moved in a reverse direction, the flange 28will serve to 'movethe gate into position toclose the port 12 against the j'sea't rof which,the gate 'may be wedged through contact of fthe holder-'with the abutment 15. v

In 'the modified formfof the invention shown inFigs. 6 and 7 'inthe drawings, the guide ribs -19 on fthe sidewalls of thebody of the valve casing are dispensedwith and the fianges 39 and 40 on*V the head 25 of the valve stem which 'corresponds tdthe'iiange's 2"?"and 28 inthe preferred 4forinof "the in-V vention are 4'of equal ',diarn'eter, while the Vhead 25 of the lvalve 'stemV inV 1thejn'i'odiied form of the valve stean has formed-thereon y gate israised,A theend wall yof the slot 32 ei'igages -r`the stem of the gate tol hold the convex face vthereof in engagement 'with the seat '15, so that the gate holder will be moved transversely of the :head 25 to ycause the extension 4l to bear 4against the stem on the gate.v Y f From the vforegoing description, taken in connection withv the accompanying drawings, it is at fonceap'parent :that agate valve has been provided f which is lthoroughly efiicient in use, simple in construction, and therefore inexpensive of manufacture.

Having 'thus described theV invention7 is claimed as new, is:v 1. In a ldev-iceY 'of the class described, a casing having =a port therein, a stem in said casing, a head on said stem having a' rocve therein, a gate l1older,flanges on said older extending within lsaid 'groove and slidably connecting fthe holder with the head, `an linclined'face on saidho'lder, lan Yinclined abutmenton said casingto engage with said face and slide the holder on said head in vone direction, :a gate for clos-ing saidzport mountedto slide in said holder, a convex face 'on said gate, 'the gate :seat engaged #by said convexfface moving-said gate and holder away from-'these'at when the gate is linitially opened,y and means within the casing for limited theslidi'ng :movement of the holder onithe head fin" one direction. 4 l

`2.41 device of Vthe Vcharacter described comprisingz lafcasing having-v a gateseat therein, a stem in saidcasing, a holder :con-

what

nected withsaidstemfand :movable laterally tending through slot in the; frontzwall fof said holderfand terminating inaroundedf point, and an extension on` the end ofsaid first nainedkste'm terminating .-iny `a rounded point andfengaging therounded end yof said .Y Ylastna-'medA stemzor urging. said .-gate into: e engagement with said seat'when saidholder c is lowered. f'

2 Intestilmony 'wh-'ereofv 'afiix my` Y HAGEN.

''op'i'esef this iratent may be obtained-for ve cents each, by addressing.'V the Commissioner of Vlatents,l

` Washington, D. C. 

